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Uranophane-β

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SER103014

Uranophane-β

Description Tabs

Description
Locality: 
Teofilo Otoni, Mucuri Valley, Minas Gerais, Brazil
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.1 × 1.5 cm
Largest Crystal: 
0.10cm
Description

some yellow, prismatic crystals on muscovite with fluorite

Mineral Data
What's on the rock

Uranophane-β

Formula: 
Ca(UO2)2(HSiO4)2·5H2O
Strunz: 
9.AK.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic